# Rotating 28501

Which bags shaped like the shell of a rotating cone can hold the most popcorn? The first bag has a height of 20 cm, and the length of its side is 24 cm. The second bag has a base radius of 10 cm and a height of 25 cm.

## Correct answer:

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### You need to know the following knowledge to solve this word math problem:

**algebra**- expression of a variable from the formula
**arithmetic**- comparing
**solid geometry**- cone
- surface area
**planimetrics**- Pythagorean theorem
- right triangle

### Units of physical quantities:

### Grade of the word problem:

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